Modern Web Design with HTML5, CSS3, and JavaScript - JavaScript Document Object Model (DOM0 - More Traversing of Element

The video tutorial explains how to navigate and manipulate the DOM using JavaScript. It covers selecting unordered list elements, accessing child and parent nodes, and differentiating between node lists and HTML collections. The tutorial also explores navigating sibling elements and understanding the differences between nodes and HTML elements.

Explain the significance of the length property when dealing with node lists and HTML collections.

What are the implications of adding a text node to an unordered list in terms of node relationships?